// import { asyncRoutes, constantRoutes } from '@/router'

// /**
//  * Use meta.role to determine if the current user has permission
//  * @param roles
//  * @param route
//  */
// function hasPermission(roles, route) {
//     console.log(roles)
//   if (route.meta && route.meta.roles) {
//     return roles.some(role => route.meta.roles.includes(role))
//   } else {
//     return true
//   }
// }

// /**
//  * Filter asynchronous routing tables by recursion
//  * @param routes asyncRoutes
//  * @param roles
//  */
//  function filterAsyncRoutes(routes, roles) {
//   const res = []
//   console.log(roles)
//   routes.forEach(route => {
//     const tmp = { ...route }
//     if (hasPermission(roles, tmp)) {
//       if (tmp.children) {
//         tmp.children = filterAsyncRoutes(tmp.children, roles)
//       }
//       res.push(tmp)
//     }
//   })

//   return res
// }
// const permission ={
//      state : {
//         routes: [],
//         addRoutes: []
//       },
      
//        mutations : {
//         SET_ROUTES: (state, routes) => {
//           state.addRoutes = routes
//           state.routes = constantRoutes.concat(routes)
//         }
//       },
      
//        actions : {
//         generateRoutes({ commit }, roles) {
//           return new Promise(resolve => {
//             let accessedRoutes
//             if (roles.includes('admin')) {
//               accessedRoutes = asyncRoutes || []
//             } else {
//               accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
//             }
//             commit('SET_ROUTES', accessedRoutes)
//             resolve(accessedRoutes)
//           })
//         }
//       }
// }


// // export default {
// //   namespaced: true,
// //   state,
// //   mutations,
// //   actions
// // }
// export default permission






import { asyncRouterMap, constantRouterMap } from '@/router/index'

/**
 * 通过meta.role判断是否与当前用户权限匹配
 * @param roles
 * @param route
 */
function hasPermission(roles, route) {
  if (route.meta && route.meta.roles) {
      console.log(roles.some(role => route.meta.roles.indexOf(role) >= 0));
    return roles.some(role => route.meta.roles.indexOf(role) >= 0)
  } else {
    return true
  }
}

/**
 * 递归过滤异步路由表，返回符合用户角色权限的路由表
 * @param asyncRouterMap
 * @param roles
 */
function filterAsyncRouter(asyncRouterMap, roles) {
  const accessedRouters = asyncRouterMap.filter(route => {
    if (hasPermission(roles, route)) {
      if (route.children && route.children.length) {
        route.children = filterAsyncRouter(route.children, roles)
      }
      return true
    }
    return false
  })
  return accessedRouters
}

const permission = {
  state: {
    routers: constantRouterMap,
    addRouters: []
  },
  mutations: {
    SET_ROUTERS: (state, routers) => {
      state.addRouters = routers
      state.routers = constantRouterMap.concat(routers)
    }
  },
  actions: {
    GenerateRoutes({ commit }, data) {
        console.log("generateRoutes函数的入参")
        console.log(data);
      return new Promise(resolve => {
        const { roles } = data
        let accessedRouters
        if (roles.indexOf('admin') >= 0) {
          accessedRouters = asyncRouterMap
        } else {
          accessedRouters = filterAsyncRouter(asyncRouterMap, roles)
        }
        console.log(accessedRouters);
        commit('SET_ROUTERS', accessedRouters);
        resolve(accessedRouters)
      })
    }
  }
}

export default permission

